The Colorado Department of Public Health and Environment confirmed a case of measles in an adult in Mesa County.

Eastern Idaho Public Health is reporting a second case of measles in Bonneville county. While last week’s case was an international traveler, this is the first case of measles in an eastern Idaho ...

The two new infections — both in unvaccinated children — are Idaho’s first measles cases since 2023, when an outbreak in ...

Measles may be spreading undetected in the Grand Junction area after an adult with no connection to other cases in the state and no history of travel tested positive for the virus, the CDPHE said.